Mapping Europe's Nitrogen Oxide Pollution

The recent tilt or in addition to hence Volkswagen's fraudulent diesel fuel emissions tracking has helped to highlight the dangers of nitrogen oxide. For a modify the unremarkably regulation-lite the U.S. genuinely has much ameliorate testing procedures for NOx emissions than the European Union. The outcome of this lax testing authorities is that many of Europe's cities accept real unsafe levels of NO2.

The Wall Street Journal has published an interactive map of Europe’s Diesel Pollution Problem. The map plots the annual NO2 concentration levels of over 4,000 monitoring stations for 2013. The stations on the map are shown on the map alongside colored markers. The colors of the markers betoken the annual NO2 concentration grade recorded at the station in addition to yous tin too mouse-over a marking to sentiment the exact recorded level.

The map sidebar initially shows the superlative 10 nearly polluted areas inwards Europe. However, equally yous zoom inwards on the map, the map sidebar updates to present the results for the monitoring stations inwards the electrical current map bounds.